WorksheetsLight Quiz
Total questions: 49
Worksheet time: 42mins
When light rays strike a rough surface, they are:
scattered.
focused.
absorbed.
refracted.
A ray of light is incident towards a plane mirror at an angle of 30-degrees with the mirror surface. What will be the angle of reflection?
60o
30o
90o
45o
Humans generate light in the visible region of the electromagnetic spectrum.
True
False
A material that can transmit light waves.
opaque
transparent
translucent
The bending of light as it travels from one medium to another medium of different densities.
reflection
refraction
interference
diffraction
The spreading of light as it enters the opening of a barrier.
reflection
refraction
interference
diffraction
The process of separating the colors of white light using a prism.
reflection
interference
dispersion
diffraction
The turning back of light upon hitting a barrier or an obstacle.
refraction
diffraction
reflection
interference
The color of an object is the color/s of white light being ________________by the object.
absorbed
reflected
transmitted
A wave has a velocity of 230 m/s and a wavelength of 4 meters. What is the wave's frequency? Manipulate the following equation to solve for frequency
v = f * ƛ
57.5 Hz
0.017 Hz
920 Hz
57.5 m
A wave has a velocity of 45 m/s and a frequency of 20 Hz. What is the wave's wavelength? Manipulate the following equation to solve for wavelength
v = f * ƛ
2.25 m
0.44 m
2.25 m/s
2.25 Hz
In order for us to see an object, light has to be (a) from the object.
All colors together being absorbed makes?
black
red
yellow
white
The color has the shortest wavelength and the highest energy
red
yellow
green
violet
Which travels faster?
sound
light
Part of the eyeball that allows light to enter
iris
photoreceptors
pupil
optic nerve
optical device that bends light
lenses
mirrors
prisms
When light is reflected by a mirror, the angle of the light hitting the mirror is _________ the angle of the light bouncing off the mirror.
greater than
lesser than
equal to
The bending of light as it passes through a material
reflection
refraction
diffraction
absorption
The reference of how much a material will bend light passing through.
index of flexibility
index of refraction
index of reflection
index of revampment
A lens that bends light and focuses it to one point.
flat mirror
convex lens
concave lens
parallel lens
Another name for bringing things together
diverging
conflag
converging
conflicting
Photoreceptors that detect gray tones in low light located in retina
Photoreceptors that detect Color located in retina
What part of the eye bends/ refracts light back into the retina?
What transmits signals to the brain?
What is the outer protective layer of the eye?
The blue-throated hummingbird flaps its wings 300 times a minute. What is its frequency?
5 hz
300 hz
18000 Hz
a lot?
What determines the speed of a wave?
Temperature and Medium
Amplitude and Frequency
Crest Height
Mediums only
Light waves travel fastest in...
Vaccum
Solid
Liquid
Gas
How are electromagnetic waves created?
Vibrations of mediums
when an electric field couples with a magnetic field
the earths magnetic field
The suns UV waves
When the three primary colors mix they produce?
Red, Green, Blue
Black
White
Magenta, Yellow, Cyan
Light travels fastest through a ______ because ______
air; the particles are spread farthest apart
glass; the particles are closest together
vacuum; there are no particles
water; the particles are fluid
The __________ most greatly affects the speed of a sound wave
the amplitude of the sound wave
the properties of the medium the sound is travelling through
the frequency of the sound wave
the intensity of the medium the sound is travelling through
